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OpenStudy (anonymous):
Which expression is equivalent to (cos x)(tan(–x))? –sin x sin x –csc x csc x
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OpenStudy (pinklion23):
http://openstudy.com/study#/updates/4f8f3f6ce4b000310fad899f there you go :)
OpenStudy (pinklion23):
meald if you have the chance
OpenStudy (anonymous):
That dont work
OpenStudy (welshfella):
lets write tan (-x) as sin(- x) / cos(-x)
OpenStudy (pinklion23):
what do you mean silly i read the answer was it not the same :/:)
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OpenStudy (anonymous):
lol
OpenStudy (welshfella):
Hint:- cos(-x) = cos x
OpenStudy (pinklion23):
okay well maybe he can help you
OpenStudy (anonymous):
I got cscx
OpenStudy (anonymous):
the answer is -sinx
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OpenStudy (welshfella):
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